/// <inheritdoc /> public override int GetHashCode() { unchecked { var hashCode = DisplayDevice?.GetHashCode() ?? 0; hashCode = (hashCode * 397) ^ Overlap.GetHashCode(); hashCode = (hashCode * 397) ^ (int)Rotation; hashCode = (hashCode * 397) ^ (int)CloneGroup; hashCode = (hashCode * 397) ^ (int)PixelShiftType; return(hashCode); } }